Home / 156,333.90-215,740.98-84,713.92

Finding the Fourth Proportional to 156,333.90, 215,740.98 and 84,713.92

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Solution

The fourth proportional to 156,333.90, 215,740.98 and 84,713.92 is: 116,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,333.90 : 215,740.98 = 84,713.92 : x
  2. Step 2: Convert to fraction form
    156,333.90/215,740.98 = 84,713.92/x
  3. Step 3: Cross multiply
    156,333.90x = 215,740.98 × 84,713.92
  4. Step 4: Simplify right side
    156,333.90x = 18,276,264,120.44
  5. Step 5: Solve for x
    x = 18,276,264,120.44/156,333.90
  6. Step 6: Final answer
    x = 116,905.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.